Is CVE-2023-51987 actively exploited?

No active exploitation of CVE-2023-51987 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-51987 be exploited remotely?

Yes. CVE-2023-51987 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-51987?

CVE-2023-51987 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-51987

CWE-306Published: January 11, 2024· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

D-Link DIR-822+ V1.0.2 contains a login bypass in the HNAP1 interface, which allows attackers to log in to administrator accounts with empty passwords.

NVD Source

Risk Analysis

D-Link DIR-822+ firmware contains a login bypass vulnerability in the HNAP1 interface. This critical flaw allows attackers to access administrator accounts using empty passwords, resulting in a CVSS score of 9.8. It is not currently in CISA KEV.

There is no public exploit known, and the vulnerability is not in KEV. It is remotely exploitable with low attack complexity.

Recommended Action

Update the device firmware to the latest version to patch the login bypass vulnerability.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-51987 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.